They mean 2-phase - manufacturers often mistake phases for poles!
Its a bipolar motor, winding resistance 7ohms, inductance 10mH
We don't know the operating current though, so that's rather a guess.
Ignore the 42V for now, that's more a rough indication of the maximum speed the winding inductance allows.
If you connected a winding to 42V you would destroy the motor, its designed for constant-current chopper
drive such as the LB1946 mentioned.
We can guess the rough operating current by estimating the operating power from the weight of the motor.
As for the number of poles that could mean its a 192-step motor (bit unusual, 200 is the commonest count,
I'd readily believe that's a misprint - you could count the detents per revolution.